/* ─── Olympiad section styles ──────────────────────────────────────────────
   Стили для нового раздела `/olympiads/*`.  Используем существующие CSS-переменные
   из base.html: --bg-card, --border-soft, --text-soft, --text-muted, --accent-1, --accent-2.
   ─────────────────────────────────────────────────────────────────────────────*/

.oly-wrap {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 20px;
}

.oly-hero {
    text-align: center;
    margin-bottom: 40px;
}
.oly-hero h1 {
    font-size: 2.2em;
    margin: 0 0 8px;
    background: linear-gradient(135deg, var(--accent-1, #3b82f6), var(--accent-2, #9333ea));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.oly-hero p {
    color: var(--text-muted, #94a3b8);
    margin: 0;
}

/* Grids */
.oly-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.oly-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

/* Cards */
.oly-card {
    background: var(--bg-card, rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-soft, #334155);
    border-radius: 16px;
    padding: 20px;
    transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.oly-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-1, #3b82f6);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.18);
}
.oly-card h3 {
    margin: 0 0 8px;
    font-size: 1.15em;
}
.oly-card-sub {
    color: var(--text-muted, #94a3b8);
    font-size: 0.9em;
    margin: 0;
}

/* Section heading */
.oly-section-title {
    font-size: 1.4em;
    margin: 32px 0 16px;
    color: var(--text-soft, #cbd5e1);
    border-bottom: 1px solid var(--border-soft, #334155);
    padding-bottom: 8px;
}

/* Progress bar */
.oly-progress {
    margin-top: 12px;
    background: rgba(255, 255, 255, 0.08);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}
.oly-progress > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1, #3b82f6), var(--accent-2, #9333ea));
    transition: width 0.4s;
}

/* Badges (difficulty) */
.oly-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.78em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.oly-badge-green  { background: rgba(34,197,94,.15);  color: #4ade80; }
.oly-badge-yellow { background: rgba(234,179,8,.15);  color: #facc15; }
.oly-badge-orange { background: rgba(249,115,22,.15); color: #fb923c; }
.oly-badge-red    { background: rgba(239,68,68,.15);  color: #f87171; }
.oly-badge-topic  { background: rgba(59,130,246,.15); color: #60a5fa; }
.oly-badge-stage  { background: rgba(147,51,234,.15); color: #c084fc; }

/* Status pill */
.oly-status {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 0.78em;
    font-weight: 500;
}
.oly-status-viewed    { background: rgba(148,163,184,.18); color: #94a3b8; }
.oly-status-attempted { background: rgba(234,179,8,.18);  color: #facc15; }
.oly-status-solved    { background: rgba(34,197,94,.18);  color: #4ade80; }
.oly-status-revealed  { background: rgba(239,68,68,.18);  color: #f87171; }

/* Markdown body */
.oly-md {
    line-height: 1.6;
    color: var(--text-soft, #e2e8f0);
}
.oly-md p { margin: 0.6em 0; }
.oly-md h1, .oly-md h2, .oly-md h3 { margin: 1.2em 0 0.5em; }
.oly-md code {
    background: rgba(255,255,255,0.07);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.92em;
}
.oly-md pre {
    background: rgba(0,0,0,0.35);
    border-radius: 8px;
    padding: 12px 14px;
    overflow: auto;
}
.oly-md table {
    border-collapse: collapse;
    margin: 1em 0;
}
.oly-md th, .oly-md td {
    border: 1px solid var(--border-soft, #334155);
    padding: 6px 12px;
}
.oly-md ul, .oly-md ol { padding-left: 1.6em; }

/* Reveal block (idea / solution) */
.oly-reveal {
    margin-top: 24px;
    border: 1px solid var(--border-soft, #334155);
    border-radius: 12px;
    overflow: hidden;
}
.oly-reveal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    background: rgba(59,130,246,0.08);
    cursor: pointer;
    user-select: none;
    font-weight: 600;
}
.oly-reveal-head:hover { background: rgba(59,130,246,0.14); }
.oly-reveal-body {
    padding: 16px 18px 20px;
    border-top: 1px solid var(--border-soft, #334155);
}
.oly-reveal-arrow { transition: transform 0.2s; }
.oly-reveal[data-open="true"] .oly-reveal-arrow { transform: rotate(180deg); }
/* По умолчанию body раскрыт; сворачивается только когда data-open="false". */
.oly-reveal[data-open="false"] .oly-reveal-body { display: none; }

/* Buttons */
.oly-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 600;
    border: 1px solid transparent;
    background: linear-gradient(135deg, var(--accent-1, #3b82f6), var(--accent-2, #9333ea));
    color: white;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
}
.oly-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(59,130,246,.3); }
.oly-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.oly-btn-ghost {
    background: transparent;
    border-color: var(--border-soft, #334155);
    color: var(--text-soft, #cbd5e1);
}
.oly-btn-ghost:hover { border-color: var(--accent-1, #3b82f6); color: white; box-shadow: none; }
.oly-btn-sm { padding: 6px 12px; font-size: 0.88em; }

/* Stage timer */
.oly-timer {
    position: sticky;
    top: 10px;
    z-index: 10;
    background: rgba(15,23,42,0.92);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-soft, #334155);
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.oly-timer-time {
    font-size: 1.6em;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--accent-1, #60a5fa);
}
.oly-timer-time.danger { color: #f87171; animation: oly-pulse 1s infinite; }
@keyframes oly-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
}

/* Self-score row 0..7 */
.oly-score-row {
    display: inline-flex;
    gap: 4px;
    flex-wrap: wrap;
}
.oly-score-row button {
    width: 34px; height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-soft, #334155);
    background: transparent;
    color: var(--text-soft, #cbd5e1);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.15s;
}
.oly-score-row button:hover { border-color: var(--accent-1, #3b82f6); color: white; }
.oly-score-row button.active {
    background: linear-gradient(135deg, var(--accent-1, #3b82f6), var(--accent-2, #9333ea));
    color: white;
    border-color: transparent;
}

/* Tables */
.oly-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
.oly-table th, .oly-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-soft, #334155);
    text-align: left;
}
.oly-table th { color: var(--text-muted, #94a3b8); font-weight: 500; font-size: 0.86em; }

/* Result hero (stage_report) */
.oly-result-hero {
    text-align: center;
    padding: 32px 20px;
    border-radius: 16px;
    border: 1px solid var(--border-soft, #334155);
    background: var(--bg-card, rgba(30,41,59,0.6));
    margin-bottom: 24px;
}
.oly-result-hero .oly-result-score {
    font-size: 3em;
    font-weight: 800;
    margin: 6px 0;
}
.oly-result-hero .oly-result-label-winner      { color: #facc15; }
.oly-result-hero .oly-result-label-prize       { color: #60a5fa; }
.oly-result-hero .oly-result-label-participant { color: #94a3b8; }

/* ── Signal phrases (badges) ───────────────────────────────────────────── */
.oly-signal-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.oly-badge-signal {
    background: rgba(56, 189, 248, 0.12);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.2);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    white-space: normal;
    word-break: break-word;
    max-width: 280px;
    transition: background 0.15s, border-color 0.15s;
}
.oly-badge-signal:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
}

/* ── First moves (numbered list) ────────────────────────────────────────── */
.oly-moves-list {
    padding-left: 1.5em;
    margin: 0;
    line-height: 1.7;
}
.oly-moves-list li {
    margin-bottom: 8px;
    color: var(--text-soft, #e2e8f0);
}
.oly-moves-list li::marker {
    color: var(--accent-1, #60a5fa);
    font-weight: 700;
}

/* ── Prerequisite / Leads-to chain ──────────────────────────────────────── */
.oly-prereq-chain {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.oly-badge-prereq,
.oly-badge-leads {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: all 0.15s;
}
.oly-badge-prereq {
    background: rgba(251, 146, 60, 0.12);
    color: #fb923c;
    border: 1px solid rgba(251, 146, 60, 0.2);
}
.oly-badge-prereq:hover {
    background: rgba(251, 146, 60, 0.22);
    border-color: rgba(251, 146, 60, 0.4);
    color: #fdba74;
}
.oly-badge-leads {
    background: rgba(52, 211, 153, 0.12);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.2);
}
.oly-badge-leads:hover {
    background: rgba(52, 211, 153, 0.22);
    border-color: rgba(52, 211, 153, 0.4);
    color: #6ee7b7;
}

/* ── Why it works (callout card) ───────────────────────────────────────── */
.oly-card-why {
    border-left: 4px solid var(--accent-1, #3b82f6);
    background: linear-gradient(135deg,
        rgba(59, 130, 246, 0.06),
        rgba(147, 51, 234, 0.04)
    );
}
.oly-card-why h2 {
    color: var(--accent-1, #60a5fa);
}

/* ── SVG figures in worked_example_md ──────────────────────────────────── */
.oly-md svg {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 16px auto;
}
.oly-md figure {
    margin: 16px 0;
    text-align: center;
}
.oly-md figcaption {
    font-size: 0.88em;
    color: var(--text-muted, #94a3b8);
    margin-top: 6px;
}


/* ─── Fix "blurry/broken" task text: clean math + continuous flow ─── */
.oly-md {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-soft, #cdd3df);
  word-break: normal;
  overflow-wrap: anywhere;
  hyphens: none;
}
.oly-md p { margin: 0 0 12px; }
.oly-md p:last-child { margin-bottom: 0; }

/* Inline formulas must stay on the same line as the text — no breaks */
.oly-md .katex {
  font-size: 1.02em;
  white-space: nowrap;
}
/* Display formulas: tidy spacing + horizontal scroll instead of overflow */
.oly-md .katex-display {
  margin: 14px 0;
  padding: 2px 0;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}
.oly-md .katex-display > .katex { white-space: nowrap; }

/* Prevent fuzzy/anti-aliased look on dark bg */
.oly-md, .oly-md .katex {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (max-width: 640px) {
  .oly-md { font-size: 15px; line-height: 1.65; }
  .oly-md .katex-display { font-size: 0.95em; }
}